package jdbc;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;

public class Demo4 {
    public static void main(String[] args) {
        try (
                //Conection接口也继承了AutoCloseable接口，因此可以使用异常的自动关闭特性
                Connection connection = DBUtil.getConnection()
        ) {
            Statement statement = connection.createStatement();
            String sql = "DELETE FROM user WHERE id=1";
            int num = statement.executeUpdate(sql);
            System.out.println(num > 0 ? "删除成功" : "删除失败");
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {

        }
    }
}
